1223342431 has 2 divisors, whose sum is σ = 1223342432. Its totient is φ = 1223342430.

The previous prime is 1223342411. The next prime is 1223342441. The reversal of 1223342431 is 1342433221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223342431 - 2²³ = 1214953823 is a prime.

It is a super-2 number, since 2×1223342431² = 2993133406969979522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223342396 and 1223342405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223342411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611671215 + 611671216.

It is an arithmetic number, because the mean of its divisors is an integer number (611671216).

Almost surely, 2^1223342431 is an apocalyptic number.

1223342431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223342431 is an equidigital number, since it uses as much as digits as its factorization.

1223342431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 1223342431 is about 34976.3124271270. The cubic root of 1223342431 is about 1069.5046564472.

Adding to 1223342431 its reverse (1342433221), we get a palindrome (2565775652).

The spelling of 1223342431 in words is "one billion, two hundred twenty-three million, three hundred forty-two thousand, four hundred thirty-one".